Dipotassium hexachloroiridate

Structural formula
	No drawing available
General
Surname	Dipotassium hexachloroiridate
other names	Potassium hexachloroiridate (IV)
Molecular formula	K 2 [IrCl 6 ]
Brief description	odorless solid
External identifiers / databases
EC number	240-976-7
ECHA InfoCard	100.037.236
PubChem	11049163
Wikidata	Q15628037
properties
Molar mass	483.12 g mol −1
Physical state	firmly
density	3.55 g cm −3
Melting point	> 385 ° C
solubility	poorly soluble in water (13 g / l at 20 ° C)
safety instructions
GHS labeling of hazardous substances Caution
H and P phrases	H: 302-312-332-315-319-335
	P: 261-280-305 + 351 + 338-304 + 340-405-501
	As far as possible and customary, SI units are used. Unless otherwise noted, the data given apply to standard conditions .

Dipotassium hexachloroiridate is an inorganic chemical compound from the group of hexachloroiridates .

Extraction and presentation

Dipotassium hexachloroiridate can be obtained by reacting disodium hexachloroiridate with potassium chloride in a stream of chlorine .

{\ displaystyle \ mathrm {Na_ {2} [IrCl_ {6}] + 2 \ KCl \ longrightarrow K_ {2} [IrCl_ {6}] \ downarrow + \ 2 \ NaCl}}

properties

Dipotassium hexachloroiridate is a crystalline, odorless, deep black to dark red solid that is sparingly soluble in water. It has a cubic crystal structure with the space group Fm 3 m (space group no. 225) . Template: room group / 225

use

Dipotassium hexachloroiridate is used for the production of platinum nanoparticles (PNPs) by reduction with trisodium citrate and sodium dodecyl sulfate as a stabilizer reagent . It was also used as a pigment.

Individual evidence

↑ ^a ^b ^c ^d ^e ^f ^g Data sheet Potassium hexachloroiridate (IV), Ir 39% min from AlfaAesar, accessed on February 15, 2018 ( PDF )(JavaScript required) .
↑ ^a ^b ^c R. Blachnik: Pocket book for chemists and physicists Volume 3: Elements, inorganic compounds and materials, minerals . Springer-Verlag, 2013, ISBN 978-3-642-58842-6 , pp. 496 ( limited preview in Google Book search).
↑ Georg Brauer (ed.) U. a .: Handbook of Preparative Inorganic Chemistry. 3rd, revised edition. Volume III, Ferdinand Enke, Stuttgart 1981, ISBN 3-432-87823-0 , p. 1736.
^ Robert E. Krebs: The History and Use of Our Earth's Chemical Elements A Reference Guide . Greenwood Publishing Group, 2006, ISBN 978-0-313-33438-2 , pp. 162 ( limited preview in Google Book search).

[Alfa-1] ↑ ^a ^b ^c ^d ^e ^f ^g Data sheet Potassium hexachloroiridate (IV), Ir 39% min from AlfaAesar, accessed on February 15, 2018 ( PDF )(JavaScript required) .

[R._Blachnik-2] R. Blachnik: Pocket book for chemists and physicists Volume 3: Elements, inorganic compounds and materials, minerals . Springer-Verlag, 2013, ISBN 978-3-642-58842-6 , pp. 496 ( limited preview in Google Book search).

[brauer-3] Georg Brauer (ed.) U. a .: Handbook of Preparative Inorganic Chemistry. 3rd, revised edition. Volume III, Ferdinand Enke, Stuttgart 1981, ISBN 3-432-87823-0 , p. 1736.

[Robert_E._Krebs-4] Robert E. Krebs: The History and Use of Our Earth's Chemical Elements A Reference Guide . Greenwood Publishing Group, 2006, ISBN 978-0-313-33438-2 , pp. 162 ( limited preview in Google Book search).